<!-- 
    liaotuo 
    2016.09.11 
    往地图中添加标注点实例 
-->
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
</style>
<script type="text/javascript" 
//ak填自己申请的ak
src="http://api.map.baidu.com/api?v=2.0& ak=百度地图API开发者密钥AK">
</script>
<title>百度地图api展示</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
//新建三个地图上点
var points = [  
{"lng":112.58,"lat":26.89,"url":"http://www.baidu.com","id":1,"name":"p1"},  
{"lng":112.59,"lat":26.90,"url":"http://www.mi.com","id":2,"name":"p2"},  
{"lng":112.57,"lat":26.88,"url":"http://www.csdn.com","id":3,"name":"p3"}  
]; 
//创建标注点并添加到地图中
function addMarker(points) {
    //循环建立标注点
    for(var i=0, pointsLen = points.length; i<pointsLen; i++) {
        var point = new BMap.Point(points[i].lng, points[i].lat); //将标注点转化成地图上的点
        var marker = new BMap.Marker(point); //将点转化成标注点
        map.addOverlay(marker);  //将标注点添加到地图上
        //添加监听事件
        (function() {
            var thePoint = points[i];
            marker.addEventListener("click",
                function() {
                showInfo(this,thePoint);
            });
         })();  
    }
}
function showInfo(thisMarker,point) {
    //获取点的信息
    var sContent = 
    '<ul style="margin:0 0 5px 0;padding:0.2em 0">'  
    +'<li style="line-height: 26px;font-size: 15px;">'  
    +'<span style="width: 50px;display: inline-block;">id：</span>' + point.id + '</li>'  
    +'<li style="line-height: 26px;font-size: 15px;">'  
    +'<span style="width: 50px;display: inline-block;">名称：</span>' + point.name + '</li>'  
    +'<li style="line-height: 26px;font-size: 15px;"><span style="width: 50px;display: inline-block;">查看：</span><a href="'+point.url+'">详情</a></li>'  
    +'</ul>';
    var infoWindow = new BMap.InfoWindow(sContent); //创建信息窗口对象
    thisMarker.openInfoWindow(infoWindow); //图片加载完后重绘infoWindow
}
//创建地图
var map = new BMap.Map("allmap");    
map.centerAndZoom(new BMap.Point(116.404, 39.915), 11);  // 设置中心点
map.centerAndZoom( "衡阳");
map.setCurrentCity("衡阳");          //设置为衡阳
map.addControl(new BMap.MapTypeControl());   
map.enableScrollWheelZoom(true);     
addMarker(points);
</script>